$ git clone -n https://src.fedoraproject.org/rpms/mingw-sip.git /var/lib/mock/f39-build-1596605-38385/root/chroot_tmpdir/scmroot/mingw-sip
Cloning into '/var/lib/mock/f39-build-1596605-38385/root/chroot_tmpdir/scmroot/mingw-sip'...
$ git fetch origin 8a13a86c7b30b9e18d5d985f992233d64326cd8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-sip
 * [new ref]         8a13a86c7b30b9e18d5d985f992233d64326cd8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a13a86 Update to 6.7.10